Slice onion, ginger and garlic. If it is best made of plum, cut the plum into pieces of 1 cm for later use. First, wash and blanch the skin, wipe it clean and cut it into pieces, string it with bamboo toothpicks, cut it evenly, put oil in the pot, fry the skin until it is golden yellow when the oil temperature is about 70℃, and drain the oil. When the oil temperature is about 70℃, put a small amount of oil in the wok, add onion, ginger and garlic prepared in advance, stir-fry the coriander prepared in advance, and stir-fry the skin evenly. A delicious braised pork skin with plum vegetables is ready.